Пример #1
0
    def test_aggregation(self):
        s1 = StatsEntry(self.stats, "aggregate me!", "GET")
        s1.log(12, 0)
        s1.log(12, 0)
        s1.log(38, 0)
        s1.log_error("Dummy exzeption")

        s2 = StatsEntry(self.stats, "aggregate me!", "GET")
        s2.log_error("Dummy exzeption")
        s2.log_error("Dummy exzeption")
        s2.log(12, 0)
        s2.log(99, 0)
        s2.log(14, 0)
        s2.log(55, 0)
        s2.log(38, 0)
        s2.log(55, 0)
        s2.log(97, 0)

        s = StatsEntry(self.stats, "GET", "")
        s.extend(s1, full_request_history=True)
        s.extend(s2, full_request_history=True)

        self.assertEqual(s.num_requests, 10)
        self.assertEqual(s.num_failures, 3)
        self.assertEqual(s.median_response_time, 38)
        self.assertEqual(s.avg_response_time, 43.2)
Пример #2
0
    def test_aggregation(self):
        s1 = StatsEntry(self.stats, "aggregate me!", "GET")
        s1.log(12, 0)
        s1.log(12, 0)
        s1.log(38, 0)
        s1.log_error("Dummy exzeption")

        s2 = StatsEntry(self.stats, "aggregate me!", "GET")
        s2.log_error("Dummy exzeption")
        s2.log_error("Dummy exzeption")
        s2.log(12, 0)
        s2.log(99, 0)
        s2.log(14, 0)
        s2.log(55, 0)
        s2.log(38, 0)
        s2.log(55, 0)
        s2.log(97, 0)

        s = StatsEntry(self.stats, "GET", "")
        s.extend(s1)
        s.extend(s2)

        self.assertEqual(s.num_requests, 10)
        self.assertEqual(s.num_failures, 3)
        self.assertEqual(s.median_response_time, 38)
        self.assertEqual(s.avg_response_time, 43.2)
Пример #3
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    def test_aggregation(self):
        s1 = StatsEntry(self.stats, "aggregate me!", "GET")
        s1.log(12, 0)
        s1.log(12, 0)
        s1.log(38, 0)
        s1.log_error("Dummy exzeption")

        s2 = StatsEntry(self.stats, "aggregate me!", "GET")
        s2.log_error("Dummy exzeption")
        s2.log_error("Dummy exzeption")
        s2.log(12, 0)
        s2.log(99, 0)
        s2.log(14, 0)
        s2.log(55, 0)
        s2.log(38, 0)
        s2.log(55, 0)
        s2.log(97, 0)

        s = StatsEntry(self.stats, "GET", "")
        s.extend(s1)
        s.extend(s2)

        assert s.num_requests == 10
        assert s.num_failures == 3
        assert s.median_response_time == 38
        assert s.avg_response_time == 43.2
Пример #4
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 def test_error_grouping_errors_with_memory_addresses(self):
     # reset stats
     self.stats = RequestStats()
     class Dummy(object):
         pass
     
     s = StatsEntry(self.stats, "/", "GET")
     s.log_error(Exception("Error caused by %r" % Dummy()))
     s.log_error(Exception("Error caused by %r" % Dummy()))
     
     self.assertEqual(1, len(self.stats.errors))
Пример #5
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    def test_error_grouping_errors_with_memory_addresses(self):
        # reset stats
        self.stats = RequestStats()

        class Dummy(object):
            pass

        s = StatsEntry(self.stats, "/", "GET")
        s.log_error(Exception("Error caused by %r" % Dummy()))
        s.log_error(Exception("Error caused by %r" % Dummy()))

        self.assertEqual(1, len(self.stats.errors))
Пример #6
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 def test_error_grouping(self):
     # reset stats
     self.stats = RequestStats()
     
     s = StatsEntry(self.stats, "/some-path", "GET")
     s.log_error(Exception("Exception!"))
     s.log_error(Exception("Exception!"))
         
     self.assertEqual(1, len(self.stats.errors))
     self.assertEqual(2, list(self.stats.errors.values())[0].occurences)
     
     s.log_error(Exception("Another exception!"))
     s.log_error(Exception("Another exception!"))
     s.log_error(Exception("Third exception!"))
     self.assertEqual(3, len(self.stats.errors))
Пример #7
0
    def test_error_grouping(self):
        # reset stats
        self.stats = RequestStats()

        s = StatsEntry(self.stats, "/some-path", "GET")
        s.log_error(Exception("Exception!"))
        s.log_error(Exception("Exception!"))

        self.assertEqual(1, len(self.stats.errors))
        self.assertEqual(2, list(self.stats.errors.values())[0].occurences)

        s.log_error(Exception("Another exception!"))
        s.log_error(Exception("Another exception!"))
        s.log_error(Exception("Third exception!"))
        self.assertEqual(3, len(self.stats.errors))
Пример #8
0
class TestRequestStats(unittest.TestCase):
    def setUp(self):
        self.stats = RequestStats()
        self.stats.start_time = time.time()
        self.s = StatsEntry(self.stats, "test_entry", "GET")
        self.s.log(45, 0)
        self.s.log(135, 0)
        self.s.log(44, 0)
        self.s.log_error(Exception("dummy fail"))
        self.s.log_error(Exception("dummy fail"))
        self.s.log(375, 0)
        self.s.log(601, 0)
        self.s.log(35, 0)
        self.s.log(79, 0)
        self.s.log_error(Exception("dummy fail"))

    def test_percentile(self):
        s = StatsEntry(self.stats, "percentile_test", "GET")
        for x in xrange(100):
            s.log(x, 0)

        self.assertEqual(s.get_response_time_percentile(0.5), 50)
        self.assertEqual(s.get_response_time_percentile(0.6), 60)
        self.assertEqual(s.get_response_time_percentile(0.95), 95)

    def test_median(self):
        self.assertEqual(self.s.median_response_time, 79)

    def test_total_rps(self):
        self.assertEqual(self.s.total_rps, 7)

    def test_current_rps(self):
        self.stats.last_request_timestamp = int(time.time()) + 4
        self.assertEqual(self.s.current_rps, 3.5)

        self.stats.last_request_timestamp = int(time.time()) + 25
        self.assertEqual(self.s.current_rps, 0)

    def test_num_reqs_fails(self):
        self.assertEqual(self.s.num_requests, 7)
        self.assertEqual(self.s.num_failures, 3)

    def test_avg(self):
        self.assertEqual(self.s.avg_response_time, 187.71428571428571428571428571429)

    def test_reset(self):
        self.s.reset()
        self.s.log(756, 0)
        self.s.log_error(Exception("dummy fail after reset"))
        self.s.log(85, 0)

        self.assertEqual(self.s.total_rps, 2)
        self.assertEqual(self.s.num_requests, 2)
        self.assertEqual(self.s.num_failures, 1)
        self.assertEqual(self.s.avg_response_time, 420.5)
        self.assertEqual(self.s.median_response_time, 85)

    def test_aggregation(self):
        s1 = StatsEntry(self.stats, "aggregate me!", "GET")
        s1.log(12, 0)
        s1.log(12, 0)
        s1.log(38, 0)
        s1.log_error("Dummy exzeption")

        s2 = StatsEntry(self.stats, "aggregate me!", "GET")
        s2.log_error("Dummy exzeption")
        s2.log_error("Dummy exzeption")
        s2.log(12, 0)
        s2.log(99, 0)
        s2.log(14, 0)
        s2.log(55, 0)
        s2.log(38, 0)
        s2.log(55, 0)
        s2.log(97, 0)

        s = StatsEntry(self.stats, "GET", "")
        s.extend(s1, full_request_history=True)
        s.extend(s2, full_request_history=True)

        self.assertEqual(s.num_requests, 10)
        self.assertEqual(s.num_failures, 3)
        self.assertEqual(s.median_response_time, 38)
        self.assertEqual(s.avg_response_time, 43.2)
    
    def test_serialize_through_message(self):
        """
        Serialize a RequestStats instance, then serialize it through a Message, 
        and unserialize the whole thing again. This is done "IRL" when stats are sent 
        from slaves to master.
        """
        s1 = StatsEntry(self.stats, "test", "GET")
        s1.log(10, 0)
        s1.log(20, 0)
        s1.log(40, 0)
        u1 = StatsEntry.unserialize(s1.serialize())
        
        data = Message.unserialize(Message("dummy", s1.serialize(), "none").serialize()).data
        u1 = StatsEntry.unserialize(data)
        
        self.assertEqual(20, u1.median_response_time)
Пример #9
0
class TestRequestStats(unittest.TestCase):
    def setUp(self):
        self.stats = RequestStats()
        self.stats.start_time = time.time()
        self.s = StatsEntry(self.stats, "test_entry", "GET")
        self.s.log(45, 0)
        self.s.log(135, 0)
        self.s.log(44, 0)
        self.s.log_error(Exception("dummy fail"))
        self.s.log_error(Exception("dummy fail"))
        self.s.log(375, 0)
        self.s.log(601, 0)
        self.s.log(35, 0)
        self.s.log(79, 0)
        self.s.log_error(Exception("dummy fail"))

    def test_percentile(self):
        s = StatsEntry(self.stats, "percentile_test", "GET")
        for x in xrange(100):
            s.log(x, 0)

        self.assertEqual(s.get_response_time_percentile(0.5), 50)
        self.assertEqual(s.get_response_time_percentile(0.6), 60)
        self.assertEqual(s.get_response_time_percentile(0.95), 95)

    def test_median(self):
        self.assertEqual(self.s.median_response_time, 79)

    def test_median_out_of_min_max_bounds(self):
        s = StatsEntry(self.stats, "median_test", "GET")
        s.log(6034, 0)
        self.assertEqual(s.median_response_time, 6034)
        s.reset()
        s.log(6099, 0)
        self.assertEqual(s.median_response_time, 6099)

    def test_total_rps(self):
        self.assertEqual(self.s.total_rps, 7)

    def test_current_rps(self):
        self.stats.total.last_request_timestamp = int(time.time()) + 4
        self.assertEqual(self.s.current_rps, 3.5)

        self.stats.total.last_request_timestamp = int(time.time()) + 25
        self.assertEqual(self.s.current_rps, 0)

    def test_num_reqs_fails(self):
        self.assertEqual(self.s.num_requests, 7)
        self.assertEqual(self.s.num_failures, 3)

    def test_avg(self):
        self.assertEqual(self.s.avg_response_time, 187.71428571428572)

    def test_reset(self):
        self.s.reset()
        self.s.log(756, 0)
        self.s.log_error(Exception("dummy fail after reset"))
        self.s.log(85, 0)

        self.assertEqual(self.s.total_rps, 2)
        self.assertEqual(self.s.num_requests, 2)
        self.assertEqual(self.s.num_failures, 1)
        self.assertEqual(self.s.avg_response_time, 420.5)
        self.assertEqual(self.s.median_response_time, 85)
    
    def test_reset_min_response_time(self):
        self.s.reset()
        self.s.log(756, 0)
        self.assertEqual(756, self.s.min_response_time)

    def test_aggregation(self):
        s1 = StatsEntry(self.stats, "aggregate me!", "GET")
        s1.log(12, 0)
        s1.log(12, 0)
        s1.log(38, 0)
        s1.log_error("Dummy exzeption")

        s2 = StatsEntry(self.stats, "aggregate me!", "GET")
        s2.log_error("Dummy exzeption")
        s2.log_error("Dummy exzeption")
        s2.log(12, 0)
        s2.log(99, 0)
        s2.log(14, 0)
        s2.log(55, 0)
        s2.log(38, 0)
        s2.log(55, 0)
        s2.log(97, 0)

        s = StatsEntry(self.stats, "GET", "")
        s.extend(s1)
        s.extend(s2)

        self.assertEqual(s.num_requests, 10)
        self.assertEqual(s.num_failures, 3)
        self.assertEqual(s.median_response_time, 38)
        self.assertEqual(s.avg_response_time, 43.2)

    def test_aggregation_with_rounding(self):
        s1 = StatsEntry(self.stats, "round me!", "GET")
        s1.log(122, 0)    # (rounded 120) min
        s1.log(992, 0)    # (rounded 990) max
        s1.log(142, 0)    # (rounded 140)
        s1.log(552, 0)    # (rounded 550)
        s1.log(557, 0)    # (rounded 560)
        s1.log(387, 0)    # (rounded 390)
        s1.log(557, 0)    # (rounded 560)
        s1.log(977, 0)    # (rounded 980)

        self.assertEqual(s1.num_requests, 8)
        self.assertEqual(s1.median_response_time, 550)
        self.assertEqual(s1.avg_response_time, 535.75)
        self.assertEqual(s1.min_response_time, 122)
        self.assertEqual(s1.max_response_time, 992)

    def test_aggregation_min_response_time(self):
        s1 = StatsEntry(self.stats, "min", "GET")
        s1.log(10, 0)
        self.assertEqual(10, s1.min_response_time)
        s2 = StatsEntry(self.stats, "min", "GET")
        s1.extend(s2)
        self.assertEqual(10, s1.min_response_time)

    def test_percentile_rounded_down(self):
        s1 = StatsEntry(self.stats, "rounding down!", "GET")
        s1.log(122, 0)    # (rounded 120) min
        actual_percentile = s1.percentile()
        self.assertEqual(actual_percentile, " GET rounding down!                                                  1    120    120    120    120    120    120    120    120    120")

    def test_percentile_rounded_up(self):
        s2 = StatsEntry(self.stats, "rounding up!", "GET")
        s2.log(127, 0)    # (rounded 130) min
        actual_percentile = s2.percentile()
        self.assertEqual(actual_percentile, " GET rounding up!                                                    1    130    130    130    130    130    130    130    130    130")
    
    def test_error_grouping(self):
        # reset stats
        self.stats = RequestStats()
        
        self.stats.log_error("GET", "/some-path", Exception("Exception!"))
        self.stats.log_error("GET", "/some-path", Exception("Exception!"))
            
        self.assertEqual(1, len(self.stats.errors))
        self.assertEqual(2, list(self.stats.errors.values())[0].occurrences)
        
        self.stats.log_error("GET", "/some-path", Exception("Another exception!"))
        self.stats.log_error("GET", "/some-path", Exception("Another exception!"))
        self.stats.log_error("GET", "/some-path", Exception("Third exception!"))
        self.assertEqual(3, len(self.stats.errors))
    
    def test_error_grouping_errors_with_memory_addresses(self):
        # reset stats
        self.stats = RequestStats()
        class Dummy(object):
            pass
        
        self.stats.log_error("GET", "/", Exception("Error caused by %r" % Dummy()))
        self.assertEqual(1, len(self.stats.errors))
    
    def test_serialize_through_message(self):
        """
        Serialize a RequestStats instance, then serialize it through a Message, 
        and unserialize the whole thing again. This is done "IRL" when stats are sent 
        from slaves to master.
        """
        s1 = StatsEntry(self.stats, "test", "GET")
        s1.log(10, 0)
        s1.log(20, 0)
        s1.log(40, 0)
        u1 = StatsEntry.unserialize(s1.serialize())
        
        data = Message.unserialize(Message("dummy", s1.serialize(), "none").serialize()).data
        u1 = StatsEntry.unserialize(data)
        
        self.assertEqual(20, u1.median_response_time)
Пример #10
0
class TestRequestStats(unittest.TestCase):
    def setUp(self):
        self.stats = RequestStats()
        self.stats.start_time = time.time()
        self.s = StatsEntry(self.stats, "test_entry", "GET")
        self.s.log(45, 0)
        self.s.log(135, 0)
        self.s.log(44, 0)
        self.s.log_error(Exception("dummy fail"))
        self.s.log_error(Exception("dummy fail"))
        self.s.log(375, 0)
        self.s.log(601, 0)
        self.s.log(35, 0)
        self.s.log(79, 0)
        self.s.log_error(Exception("dummy fail"))

    def test_percentile(self):
        s = StatsEntry(self.stats, "percentile_test", "GET")
        for x in xrange(100):
            s.log(x, 0)

        assert s.get_response_time_percentile(0.5) == 50
        assert s.get_response_time_percentile(0.6) == 60
        assert s.get_response_time_percentile(0.95) == 95

    def test_median(self):
        assert self.s.median_response_time == 79

    def test_total_rps(self):
        assert self.s.total_rps == 7

    def test_current_rps(self):
        self.stats.total.last_request_timestamp = int(time.time()) + 4
        assert self.s.current_rps == 3.5

        self.stats.total.last_request_timestamp = int(time.time()) + 25
        assert self.s.current_rps == 0

    def test_num_reqs_fails(self):
        assert self.s.num_requests == 7
        assert self.s.num_failures == 3

    def test_avg(self):
        assert self.s.avg_response_time == 187.71428571428572

    def test_reset(self):
        self.s.reset()
        self.s.log(756, 0)
        self.s.log_error(Exception("dummy fail after reset"))
        self.s.log(85, 0)

        assert self.s.total_rps == 2
        assert self.s.num_requests == 2
        assert self.s.num_failures == 1
        assert self.s.avg_response_time == 420.5
        assert self.s.median_response_time == 85
    
    def test_reset_min_response_time(self):
        self.s.reset()
        self.s.log(756, 0)
        assert 756 == self.s.min_response_time

    def test_aggregation(self):
        s1 = StatsEntry(self.stats, "aggregate me!", "GET")
        s1.log(12, 0)
        s1.log(12, 0)
        s1.log(38, 0)
        s1.log_error("Dummy exzeption")

        s2 = StatsEntry(self.stats, "aggregate me!", "GET")
        s2.log_error("Dummy exzeption")
        s2.log_error("Dummy exzeption")
        s2.log(12, 0)
        s2.log(99, 0)
        s2.log(14, 0)
        s2.log(55, 0)
        s2.log(38, 0)
        s2.log(55, 0)
        s2.log(97, 0)

        s = StatsEntry(self.stats, "GET", "")
        s.extend(s1)
        s.extend(s2)

        assert s.num_requests == 10
        assert s.num_failures == 3
        assert s.median_response_time == 38
        assert s.avg_response_time == 43.2

    def test_aggregation_with_rounding(self):
        s1 = StatsEntry(self.stats, "round me!", "GET")
        s1.log(122, 0)    # (rounded 120) min
        s1.log(992, 0)    # (rounded 990) max
        s1.log(142, 0)    # (rounded 140)
        s1.log(552, 0)    # (rounded 550)
        s1.log(557, 0)    # (rounded 560)
        s1.log(387, 0)    # (rounded 390)
        s1.log(557, 0)    # (rounded 560)
        s1.log(977, 0)    # (rounded 980)

        assert s1.num_requests == 8
        assert s1.median_response_time == 550
        assert s1.avg_response_time == 535.75
        assert s1.min_response_time == 122
        assert s1.max_response_time == 992

    def test_percentile_rounded_down(self):
        s1 = StatsEntry(self.stats, "rounding down!", "GET")
        s1.log(122, 0)    # (rounded 120) min
        actual_percentile = s1.percentile()
        assert actual_percentile == " GET rounding down!                                                  1    120    120    120    120    120    120    120    120    120"

    def test_percentile_rounded_up(self):
        s2 = StatsEntry(self.stats, "rounding up!", "GET")
        s2.log(127, 0)    # (rounded 130) min
        actual_percentile = s2.percentile()
        assert actual_percentile == " GET rounding up!                                                    1    130    130    130    130    130    130    130    130    130"
    
    def test_error_grouping(self):
        # reset stats
        self.stats = RequestStats()
        
        self.stats.log_error("GET", "/some-path", Exception("Exception!"))
        self.stats.log_error("GET", "/some-path", Exception("Exception!"))
            
        assert 1 == len(self.stats.errors)
        assert 2 == list(self.stats.errors.values())[0].occurences
        
        self.stats.log_error("GET", "/some-path", Exception("Another exception!"))
        self.stats.log_error("GET", "/some-path", Exception("Another exception!"))
        self.stats.log_error("GET", "/some-path", Exception("Third exception!"))
        assert 3 == len(self.stats.errors)
    
    def test_error_grouping_errors_with_memory_addresses(self):
        # reset stats
        self.stats = RequestStats()
        class Dummy(object):
            pass
        
        self.stats.log_error("GET", "/", Exception("Error caused by %r" % Dummy()))
        assert 1 == len(self.stats.errors)
    
    def test_serialize_through_message(self):
        """
        Serialize a RequestStats instance, then serialize it through a Message, 
        and unserialize the whole thing again. This is done "IRL" when stats are sent 
        from slaves to master.
        """
        s1 = StatsEntry(self.stats, "test", "GET")
        s1.log(10, 0)
        s1.log(20, 0)
        s1.log(40, 0)
        u1 = StatsEntry.unserialize(s1.serialize())
        
        data = Message.unserialize(Message("dummy", s1.serialize(), "none").serialize()).data
        u1 = StatsEntry.unserialize(data)
        
        assert 20 == u1.median_response_time
Пример #11
0
class TestRequestStats(unittest.TestCase):
    def setUp(self):
        self.stats = RequestStats()
        self.stats.start_time = time.time()
        self.s = StatsEntry(self.stats, "test_entry", "GET")
        self.s.log(45, 0)
        self.s.log(135, 0)
        self.s.log(44, 0)
        self.s.log_error(Exception("dummy fail"))
        self.s.log_error(Exception("dummy fail"))
        self.s.log(375, 0)
        self.s.log(601, 0)
        self.s.log(35, 0)
        self.s.log(79, 0)
        self.s.log_error(Exception("dummy fail"))

    def test_percentile(self):
        s = StatsEntry(self.stats, "percentile_test", "GET")
        for x in xrange(100):
            s.log(x, 0)

        self.assertEqual(s.get_response_time_percentile(0.5), 50)
        self.assertEqual(s.get_response_time_percentile(0.6), 60)
        self.assertEqual(s.get_response_time_percentile(0.95), 95)

    def test_median(self):
        self.assertEqual(self.s.median_response_time, 79)

    def test_total_rps(self):
        self.assertEqual(self.s.total_rps, 7)

    def test_current_rps(self):
        self.stats.last_request_timestamp = int(time.time()) + 4
        self.assertEqual(self.s.current_rps, 3.5)

        self.stats.last_request_timestamp = int(time.time()) + 25
        self.assertEqual(self.s.current_rps, 0)

    def test_num_reqs_fails(self):
        self.assertEqual(self.s.num_requests, 7)
        self.assertEqual(self.s.num_failures, 3)

    def test_avg(self):
        self.assertEqual(self.s.avg_response_time,
                         187.71428571428571428571428571429)

    def test_reset(self):
        self.s.reset()
        self.s.log(756, 0)
        self.s.log_error(Exception("dummy fail after reset"))
        self.s.log(85, 0)

        self.assertEqual(self.s.total_rps, 2)
        self.assertEqual(self.s.num_requests, 2)
        self.assertEqual(self.s.num_failures, 1)
        self.assertEqual(self.s.avg_response_time, 420.5)
        self.assertEqual(self.s.median_response_time, 85)

    def test_reset_min_response_time(self):
        self.s.reset()
        self.s.log(756, 0)
        self.assertEqual(756, self.s.min_response_time)

    def test_aggregation(self):
        s1 = StatsEntry(self.stats, "aggregate me!", "GET")
        s1.log(12, 0)
        s1.log(12, 0)
        s1.log(38, 0)
        s1.log_error("Dummy exzeption")

        s2 = StatsEntry(self.stats, "aggregate me!", "GET")
        s2.log_error("Dummy exzeption")
        s2.log_error("Dummy exzeption")
        s2.log(12, 0)
        s2.log(99, 0)
        s2.log(14, 0)
        s2.log(55, 0)
        s2.log(38, 0)
        s2.log(55, 0)
        s2.log(97, 0)

        s = StatsEntry(self.stats, "GET", "")
        s.extend(s1, full_request_history=True)
        s.extend(s2, full_request_history=True)

        self.assertEqual(s.num_requests, 10)
        self.assertEqual(s.num_failures, 3)
        self.assertEqual(s.median_response_time, 38)
        self.assertEqual(s.avg_response_time, 43.2)

    def test_serialize_through_message(self):
        """
        Serialize a RequestStats instance, then serialize it through a Message, 
        and unserialize the whole thing again. This is done "IRL" when stats are sent 
        from slaves to master.
        """
        s1 = StatsEntry(self.stats, "test", "GET")
        s1.log(10, 0)
        s1.log(20, 0)
        s1.log(40, 0)
        u1 = StatsEntry.unserialize(s1.serialize())

        data = Message.unserialize(
            Message("dummy", s1.serialize(), "none").serialize()).data
        u1 = StatsEntry.unserialize(data)

        self.assertEqual(20, u1.median_response_time)
Пример #12
0
class TestRequestStats(unittest.TestCase):
    def setUp(self):
        self.stats = RequestStats()
        self.stats.start_time = time.time()
        self.s = StatsEntry(self.stats, "test_entry", "GET")
        self.s.log(45, 0)
        self.s.log(135, 0)
        self.s.log(44, 0)
        self.s.log_error(Exception("dummy fail"))
        self.s.log_error(Exception("dummy fail"))
        self.s.log(375, 0)
        self.s.log(601, 0)
        self.s.log(35, 0)
        self.s.log(79, 0)
        self.s.log_error(Exception("dummy fail"))

    def test_percentile(self):
        s = StatsEntry(self.stats, "percentile_test", "GET")
        for x in xrange(100):
            s.log(x, 0)

        self.assertEqual(s.get_response_time_percentile(0.5), 50)
        self.assertEqual(s.get_response_time_percentile(0.6), 60)
        self.assertEqual(s.get_response_time_percentile(0.95), 95)

    def test_median(self):
        self.assertEqual(self.s.median_response_time, 79)

    def test_total_rps(self):
        self.assertEqual(self.s.total_rps, 7)

    def test_current_rps(self):
        self.stats.total.last_request_timestamp = int(time.time()) + 4
        self.assertEqual(self.s.current_rps, 3.5)

        self.stats.total.last_request_timestamp = int(time.time()) + 25
        self.assertEqual(self.s.current_rps, 0)

    def test_num_reqs_fails(self):
        self.assertEqual(self.s.num_requests, 7)
        self.assertEqual(self.s.num_failures, 3)

    def test_avg(self):
        self.assertEqual(self.s.avg_response_time, 187.71428571428572)

    def test_reset(self):
        self.s.reset()
        self.s.log(756, 0)
        self.s.log_error(Exception("dummy fail after reset"))
        self.s.log(85, 0)

        self.assertEqual(self.s.total_rps, 2)
        self.assertEqual(self.s.num_requests, 2)
        self.assertEqual(self.s.num_failures, 1)
        self.assertEqual(self.s.avg_response_time, 420.5)
        self.assertEqual(self.s.median_response_time, 85)
    
    def test_reset_min_response_time(self):
        self.s.reset()
        self.s.log(756, 0)
        self.assertEqual(756, self.s.min_response_time)

    def test_aggregation(self):
        s1 = StatsEntry(self.stats, "aggregate me!", "GET")
        s1.log(12, 0)
        s1.log(12, 0)
        s1.log(38, 0)
        s1.log_error("Dummy exzeption")

        s2 = StatsEntry(self.stats, "aggregate me!", "GET")
        s2.log_error("Dummy exzeption")
        s2.log_error("Dummy exzeption")
        s2.log(12, 0)
        s2.log(99, 0)
        s2.log(14, 0)
        s2.log(55, 0)
        s2.log(38, 0)
        s2.log(55, 0)
        s2.log(97, 0)

        s = StatsEntry(self.stats, "GET", "")
        s.extend(s1)
        s.extend(s2)

        self.assertEqual(s.num_requests, 10)
        self.assertEqual(s.num_failures, 3)
        self.assertEqual(s.median_response_time, 38)
        self.assertEqual(s.avg_response_time, 43.2)

    def test_aggregation_with_rounding(self):
        s1 = StatsEntry(self.stats, "round me!", "GET")
        s1.log(122, 0)    # (rounded 120) min
        s1.log(992, 0)    # (rounded 990) max
        s1.log(142, 0)    # (rounded 140)
        s1.log(552, 0)    # (rounded 550)
        s1.log(557, 0)    # (rounded 560)
        s1.log(387, 0)    # (rounded 390)
        s1.log(557, 0)    # (rounded 560)
        s1.log(977, 0)    # (rounded 980)

        self.assertEqual(s1.num_requests, 8)
        self.assertEqual(s1.median_response_time, 550)
        self.assertEqual(s1.avg_response_time, 535.75)
        self.assertEqual(s1.min_response_time, 122)
        self.assertEqual(s1.max_response_time, 992)

    def test_percentile_rounded_down(self):
        s1 = StatsEntry(self.stats, "rounding down!", "GET")
        s1.log(122, 0)    # (rounded 120) min
        actual_percentile = s1.percentile()
        self.assertEqual(actual_percentile, " GET rounding down!                                                  1    120    120    120    120    120    120    120    120    120")

    def test_percentile_rounded_up(self):
        s2 = StatsEntry(self.stats, "rounding up!", "GET")
        s2.log(127, 0)    # (rounded 130) min
        actual_percentile = s2.percentile()
        self.assertEqual(actual_percentile, " GET rounding up!                                                    1    130    130    130    130    130    130    130    130    130")
    
    def test_error_grouping(self):
        # reset stats
        self.stats = RequestStats()
        
        self.stats.log_error("GET", "/some-path", Exception("Exception!"))
        self.stats.log_error("GET", "/some-path", Exception("Exception!"))
            
        self.assertEqual(1, len(self.stats.errors))
        self.assertEqual(2, list(self.stats.errors.values())[0].occurences)
        
        self.stats.log_error("GET", "/some-path", Exception("Another exception!"))
        self.stats.log_error("GET", "/some-path", Exception("Another exception!"))
        self.stats.log_error("GET", "/some-path", Exception("Third exception!"))
        self.assertEqual(3, len(self.stats.errors))
    
    def test_error_grouping_errors_with_memory_addresses(self):
        # reset stats
        self.stats = RequestStats()
        class Dummy(object):
            pass
        
        self.stats.log_error("GET", "/", Exception("Error caused by %r" % Dummy()))
        self.assertEqual(1, len(self.stats.errors))
    
    def test_serialize_through_message(self):
        """
        Serialize a RequestStats instance, then serialize it through a Message, 
        and unserialize the whole thing again. This is done "IRL" when stats are sent 
        from slaves to master.
        """
        s1 = StatsEntry(self.stats, "test", "GET")
        s1.log(10, 0)
        s1.log(20, 0)
        s1.log(40, 0)
        u1 = StatsEntry.unserialize(s1.serialize())
        
        data = Message.unserialize(Message("dummy", s1.serialize(), "none").serialize()).data
        u1 = StatsEntry.unserialize(data)
        
        self.assertEqual(20, u1.median_response_time)